from flask import current_app
from flask import g, jsonify
from flask import redirect
from flask import render_template
from flask import request
from info import constants, db
from info.models import News, Category
from info.utlis.commons import user_login_data
from info.utlis.image_storage import image_storage
from info.utlis.response_code import RET
from . import profile_blue


@profile_blue.route('/user_follow')
@user_login_data
def user_follow():

    # 1.获取参数，p
    page = request.args.get("p", "1")

    # 2.参数类型转换
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    # 3.分页查询用户关注的作者
    try:
        paginate = g.user.followed.paginate(page,1,False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="获取作者失败")

    # 4.获取分页对象属性，总页数，当前页，当前页对象列表
    totalPage = paginate.pages
    currentPage = paginate.page
    items = paginate.items

    # 5.将对象列表转成字典列表
    author_list = []
    for author in items:
        author_list.append(author.to_dict())

    # 6.拼接数据渲染
    data = {
        "totalPage": totalPage,
        "currentPage": currentPage,
        "author_list": author_list
    }
    return render_template("news/user_follow.html", data=data)


@profile_blue.route('/news_list')
@user_login_data
def news_list():

    # 1.获取参数，p
    page = request.args.get("p", "1")

    # 2.参数类型转换
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    # 3.分页查询用户发布的新闻
    try:
        paginate = News.query.filter(News.user_id == g.user.id).order_by(News.create_time.desc()).paginate(page, 5, False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="获取新闻失败")

    # 4.获取分页对象属性，总页数，当前页，当前页对象列表
    totalPage = paginate.pages
    currentPage = paginate.page
    items = paginate.items

    # 5.将对象列表转成字典列表
    news_list = []
    for news in items:
        news_list.append(news.to_review_dict())

    # 6.拼接数据渲染
    data = {
        "totalPage": totalPage,
        "currentPage": currentPage,
        "news_list": news_list
    }
    return render_template("news/user_news_list.html", data=data)


@profile_blue.route('/news_release', methods=['GET', 'POST'])
@user_login_data
def news_release():

    #1.判断请求方式如果是GE
    if request.method == "GET":

        #2.1查询所有的分类数据
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.DBERR,errmsg="获取分类失败")

        category_list = []
        for category in categories:
            category_list.append(category.to_dict())

        # 2.2携带分类数据渲染页面
        return render_template("news/user_news_release.html",categories=category_list)

    #3.如果是POST获取参数
    title = request.form.get("title")
    category_id = request.form.get("category_id")
    digest = request.form.get("digest")
    index_image = request.files.get("index_image")
    content = request.form.get("content")

    #4.校验参数，为空校验
    if not all([title,category_id,digest,index_image,content]):
        return jsonify(errno=RET.PARAMERR,errmsg="参数不全")

    #5.上传图片，判断是否上传成功
    try:
        image_name = image_storage(index_image.read())
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR,errmsg="七牛云异常")

    if not image_name:
        return jsonify(errno=RET.NODATA,errmsg="图片上传失败")

    #6.创建新闻对象，设置属性
    news = News()
    news.title = title
    news.source = g.user.nick_name
    news.digest = digest
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + image_name
    news.category_id = category_id
    news.user_id = g.user.id
    news.status = 1  # 表示审核中

    #7.保存到数据库
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)

    #8.返回响应
    return jsonify(errno=RET.OK,errmsg="发布成功")

@profile_blue.route('/collection')
@user_login_data
def collection():

    #1.获取参数，P
    page = request.args.get("p","1")

    #2.参数类型转换
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    #3.分页查询收藏
    try:
        paginate = g.user.collection_news.order_by(News.create_time.desc()).paginate(page,2,False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR,errmsg="获取新闻失败")

    #4.获取分页对象属性，总页数，当前页，当前页对象列表
    totalPage = paginate.pages
    currentPage = paginate.page
    items = paginate.items

    #5.将对象列表转成字典列表
    news_list = []
    for news in items:
        news_list.append(news.to_dict())

    #6.拼接数据渲染
    data = {
        "totalPage":totalPage,
        "currentPage":currentPage,
        "news_list":news_list
    }
    return render_template("news/user_collection.html",data=data)



#密码修改
@profile_blue.route('/pass_info', methods=['GET', 'POST'])
@user_login_data
def pass_info():
    #1.判断请求方式，如果是get请求
    if request.method == "GET":
        #2.直接渲染页面
        return render_template("news/user_pass_info.html")
    #3.如果是post请求，获取参数
    old_password = request.json.get("old_password")
    new_password = request.json.get("new_password")

    #4.校验参数，为空校验
    if not all([old_password,new_password]):
        return jsonify(errno=RET.PARAMERR,errmsg="参数不全")

    #5.判断旧密码是否正确
    if not g.user.check_password(old_password):
        return jsonify(errno=RET.DATAERR,errmsg="旧密码填写错误")

    #6.设置新密码
    g.user.password = new_password

    #7.返回响应
    return jsonify(errno=RET.OK,errmsg="修改成功")


#头像设置
@profile_blue.route('/pic_info', methods=['GET', 'POST'])
@user_login_data
def pic_info():

    #1.判断请求方式，如果是get请求
    if request.method == "GET":
        #2.携带用户的数据，渲染页面
        return render_template("news/user_pic_info.html",user_info=g.user.to_dict())
    #3.如果是post请求
    request.files
    #4.获取参数
    avatar = request.files.get("avatar")
    #5.校验参数
    if not avatar:
        return jsonify(errno=RET.PARAMERR,errmsg="头像不能为空")

    #6.上传图像，判断图片是否上传成功
    try:
        #读取图片为二进制，上传图片
        image_name = image_storage(avatar.read())

    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR,errmsg="七牛云异常")

    if not image_name:
        return jsonify(errno=RET.NODATA,errmsg="图片上传失败")

    #7.将图片设置到用户对象
    g.user.avatar_url = image_name

    #8.返回响应
    data = {
        "avatar_url":constants.QINIU_DOMIN_PREFIX + image_name
    }
    return jsonify(errno=RET.OK,errmsg="上传成功",data=data)

@profile_blue.route('/base_info', methods=['GET', 'POST'])
@user_login_data
def base_info():

    #1.判断请求方式，如果是get请求
    if request.method == "GET":
        #2.携带用户数据，渲染页面
        return render_template("news/user_base_info.html",user_info=g.user.to_dict())
    #3.如果是post请求

    #4.获取参数
    nick_name = request.json.get("nick_name")
    signature = request.json.get("signature")
    gender = request.json.get("gender")

    #5.校验参数
    if not all([nick_name,signature,gender]):
        return jsonify(errno=RET.PARAMERR,errmsg="参数不全")

    if not gender in ["MAN","WOMAN"]:
        return jsonify(errno=RET.DATAERR,errmsg="泰国的吗")

    #6.修改用户的数据
    g.user.signature = signature
    g.user.nick_name = nick_name
    g.user.gender = gender

    #7.返回响应
    return jsonify(errno=RET.OK,errmsg="修改成功")



@profile_blue.route('/user_index')
@user_login_data
def user_index():

    #判断用户是否登陆
    if not g.user:
        return redirect("/")
    #2.携带数据渲染页面
    data = {
        "user_info":g.user.to_dict()
    }
    return render_template("news/user.html",data=data)